Martapura is a city located in South Kalimantan, Indonesia. It serves as the capital of the Banjar Regency and is known for its rich cultural heritage and natural beauty. The city is situated near the Martapura River, which plays a significant role in the local economy and transportation. Martapura is famous for its diamond trade, often referred to as the "diamond city." The area is home to numerous markets where visitors can find a variety of gemstones and jewelry. Additionally, Martapura features traditional markets and local cuisine, making it a vibrant destination for both tourists and locals.